{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=methylnaltrexone&page=2",
    "query": {
      "intervention": "methylnaltrexone",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=methylnaltrexone&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T22:15:11.336Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT00402038",
      "title": "Study of Methylnaltrexone (MNTX) for the Relief of Constipation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Advance Illness Patients With OIC"
      ],
      "interventions": [
        {
          "name": "SC Methylnaltrexone",
          "type": "DRUG"
        },
        {
          "name": "SC Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 134,
      "start_date": "2004-02",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2019-11-25",
      "last_synced_at": "2026-09-27T22:15:11.336Z",
      "location_count": 1,
      "location_summary": "Tarrytown, New York",
      "locations": [
        {
          "city": "Tarrytown",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00402038"
    },
    {
      "nct_id": "NCT01367587",
      "title": "Safety and Gastrointestinal Effects of Intravenous Methylnaltrexone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "IV Methylnaltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 12,
      "start_date": "2002-04",
      "completion_date": "2002-07",
      "has_results": false,
      "last_update_posted_date": "2019-11-27",
      "last_synced_at": "2026-09-27T22:15:11.336Z",
      "location_count": 1,
      "location_summary": "Tarrytown, New York",
      "locations": [
        {
          "city": "Tarrytown",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01367587"
    },
    {
      "nct_id": "NCT01773096",
      "title": "Methylnaltrexone Use for Opioid-induced Postoperative Constipation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Constipation"
      ],
      "interventions": [
        {
          "name": "Methylnaltrexone",
          "type": "DRUG"
        },
        {
          "name": "Senna, docusate sodium, bisacodyl, magnesium hydroxide, Miralax",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shriners Hospitals for Children",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "12 Years to 21 Years"
      },
      "enrollment_count": 60,
      "start_date": "2013-05",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2015-05-19",
      "last_synced_at": "2026-09-27T22:15:11.336Z",
      "location_count": 1,
      "location_summary": "Spokane, Washington",
      "locations": [
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01773096"
    },
    {
      "nct_id": "NCT00672477",
      "title": "Study Evaluating Subcutaneous Methylnaltrexone For Treatment Of Opioid-Induced Constipation In Patients With Advanced Illness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Opioid-Induced Constipation"
      ],
      "interventions": [
        {
          "name": "Methylnaltrexone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 237,
      "start_date": "2008-06",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2018-03-08",
      "last_synced_at": "2026-09-27T22:15:11.336Z",
      "location_count": 29,
      "location_summary": "Mobile, Alabama • Laguna Hills, California • Lancaster, California + 23 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Lancaster",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Auburndale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00672477"
    },
    {
      "nct_id": "NCT00401362",
      "title": "A a Single Dose Efficacy Study in Inducing Laxation in Advance Illness Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Advanced Illness Patients With Opioid Induced Constipation"
      ],
      "interventions": [
        {
          "name": "SC Methylnaltrexone",
          "type": "DRUG"
        },
        {
          "name": "SC Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 154,
      "start_date": "2003-02",
      "completion_date": "2005-02",
      "has_results": false,
      "last_update_posted_date": "2019-11-25",
      "last_synced_at": "2026-09-27T22:15:11.336Z",
      "location_count": 1,
      "location_summary": "Tarrytown, New York",
      "locations": [
        {
          "city": "Tarrytown",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00401362"
    },
    {
      "nct_id": "NCT00529087",
      "title": "Study Evaluating Subcutaneous MOA-728 for the Treatment of Opioid-Induced Constipation (OIC) in Subjects With Chronic Non-Malignant Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Constipation"
      ],
      "interventions": [
        {
          "name": "N-methylnaltrexone bromide (MOA-728)",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 460,
      "start_date": "2007-08",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2019-11-25",
      "last_synced_at": "2026-09-27T22:15:11.336Z",
      "location_count": 78,
      "location_summary": "Mobile, Alabama • Sun City, Arizona • Tucson, Arizona + 69 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00529087"
    },
    {
      "nct_id": "NCT01055704",
      "title": "Effect of Methylnaltrexone on GI Transit in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Gastric Motility Disorder"
      ],
      "interventions": [
        {
          "name": "Methylnaltrexone only",
          "type": "DRUG"
        },
        {
          "name": "Codeine only",
          "type": "DRUG"
        },
        {
          "name": "Methylnaltrexone + codeine",
          "type": "DRUG"
        },
        {
          "name": "Placebo + placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 48,
      "start_date": "2009-11",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2012-06-25",
      "last_synced_at": "2026-09-27T22:15:11.336Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01055704"
    },
    {
      "nct_id": "NCT00528970",
      "title": "A Study Evaluating Intravenous (IV) MOA-728 for the Treatment of Postoperative Ileus (POI) in Participants After Ventral Hernia Repair",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ileus"
      ],
      "interventions": [
        {
          "name": "MOA-728",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 374,
      "start_date": "2007-10-17",
      "completion_date": "2008-02-05",
      "has_results": true,
      "last_update_posted_date": "2019-09-04",
      "last_synced_at": "2026-09-27T22:15:11.336Z",
      "location_count": 75,
      "location_summary": "Benton, Arkansas • Colton, California • Laguna Hills, California + 62 more",
      "locations": [
        {
          "city": "Benton",
          "state": "Arkansas"
        },
        {
          "city": "Colton",
          "state": "California"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00528970"
    },
    {
      "nct_id": "NCT01363323",
      "title": "Effect of Methylnaltrexone (MNTX) on Electrocardiogram (ECG) Parameters and Cardiac Repolarization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Methylnaltrexone (MNTX)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Moxifloxacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 546,
      "start_date": "2004-11",
      "completion_date": "2005-02",
      "has_results": false,
      "last_update_posted_date": "2019-11-29",
      "last_synced_at": "2026-09-27T22:15:11.336Z",
      "location_count": 1,
      "location_summary": "Tarrytown, New York",
      "locations": [
        {
          "city": "Tarrytown",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01363323"
    },
    {
      "nct_id": "NCT01367535",
      "title": "Effects of MNTX on CYP450 2D6 in Metabolizers of Dextromethorphan",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Adults"
      ],
      "interventions": [
        {
          "name": "SC Methylnaltrexone (MNTX)",
          "type": "DRUG"
        },
        {
          "name": "IV Methylnaltrexone (MNTX)",
          "type": "DRUG"
        },
        {
          "name": "Oral Paroxetine",
          "type": "DRUG"
        },
        {
          "name": "SC Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 54,
      "start_date": "2006-03",
      "completion_date": "2006-08",
      "has_results": false,
      "last_update_posted_date": "2019-11-27",
      "last_synced_at": "2026-09-27T22:15:11.336Z",
      "location_count": 1,
      "location_summary": "Tarrytown, New York",
      "locations": [
        {
          "city": "Tarrytown",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01367535"
    }
  ]
}